Bluetooth: hci0: unexpected event 0x07 length: 15 < 255
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WARNING: CPU: 0 PID: 4281 at net/bluetooth/hci_conn.c:683 hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:683
Modules linked in:
CPU: 0 PID: 4281 Comm: kworker/u5:4 Not tainted syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/16/2026
Workqueue: hci0 hci_conn_timeout
RIP: 0010:hci_conn_timeout+0x24f/0x450 net/bluetooth/hci_conn.c:683
Code: 00 8f e8 84 0c 97 f8 48 8b 35 65 3c c4 05 bf 08 00 00 00 48 89 da 5b 41 5c 41 5d 41 5e 41 5f 5d e9 c6 8c 17 f8 e8 71 b0 45 f8 <0f> 0b e9 35 fe ff ff 44 89 f9 80 e1 07 80 c1 03 38 c1 0f 8c dd fd
RSP: 0018:ffffc90003df7c08 EFLAGS: 00010293
RAX: ffffffff893c960f RBX: ffff888023702330 RCX: ffff88807c9d8000
RDX: 0000000000000000 RSI: 00000000ffffffff RDI: 0000000000000000
RBP: 00000000ffffffff R08: ffff888023702013 R09: 1ffff110046e0402
R10: dffffc0000000000 R11: ffffed10046e0403 R12: ffffffff81557864
R13: dffffc0000000000 R14: ffff888023702000 R15: ffff888023702010
FS:  0000000000000000(0000) GS:ffff8880b8c00000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fe314c01720 CR3: 00000000681b2000 CR4: 00000000003506f0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000ffff0ff0 DR7: 0000000000000600
Call Trace:
 <TASK>
 process_one_work+0x8ab/0x1160 kernel/workqueue.c:2292
 worker_thread+0xaf5/0x12a0 kernel/workqueue.c:2439
 kthread+0x29d/0x330 kernel/kthread.c:376
 ret_from_fork+0x1f/0x30 arch/x86/entry/entry_64.S:295
 </TASK>